<template>
  <div class="departments-container">
    <div class="app-container">
      <!-- 卡片组件 -->
      <el-card class="box-card">
        <!-- 使用 Tabs 组件完成标签页布局 -->
        <el-tabs v-model="activeName">
          <el-tab-pane label="组织架构" name="first" class="tab-pane">
            <!-- 使用 Layout 布局绘制头部区域 -->
            <el-row
              type="flex"
              justify="space-between"
              align="middle"
              class="department-header"
            >
              <el-col :span="20">
                <i class="el-icon-s-home" />
                <span class="company">江苏传智播客教育科技股份有限公司</span>
              </el-col>
              <el-col :span="4">
                <el-row type="flex" justify="end">
                  <el-col>负责人</el-col>
                  <el-col>
                    <el-dropdown>
                      <span class="el-dropdown-link">
                        操作<i class="el-icon-arrow-down el-icon--right" />
                      </span>
                      <el-dropdown-menu slot="dropdown">
                        <el-dropdown-item>添加子部门</el-dropdown-item>
                      </el-dropdown-menu>
                    </el-dropdown>
                  </el-col>
                </el-row>
              </el-col>
            </el-row>

            <!-- 主体区域绘制(树形组件) -->
            <el-tree
              class="departments-tree"
              :data="treeData"
              :props="defaultProps"
              :default-expand-all="true"
            >
              <!-- 树形组件内部结构 -->
              <template slot-scope="{ data }">
                <el-row
                  type="flex"
                  justify="space-between"
                  style="height: 50px; width: 100%"
                  align="middle"
                >
                  <el-col :span="20">
                    <span>{{ data.name }}</span>
                  </el-col>
                  <el-col :span="4">
                    <el-row type="flex" justify="end">
                      <el-col>{{ data.manager }}</el-col>
                      <el-col>
                        <el-dropdown>
                          <span class="el-dropdown-link">
                            操作<i class="el-icon-arrow-down el-icon--right" />
                          </span>
                          <el-dropdown-menu slot="dropdown">
                            <el-dropdown-item @click.native="addDept(data.id)">添加子部门</el-dropdown-item>
                            <el-dropdown-item @click.native="editDept(data.id)">编辑部门</el-dropdown-item>
                            <el-dropdown-item v-if="data && !data.children" @click.native="edlDept(data.id)">删除部门</el-dropdown-item>
                          </el-dropdown-menu>
                        </el-dropdown>
                      </el-col>
                    </el-row>
                  </el-col>
                </el-row>
              </template>
            </el-tree>
          </el-tab-pane>
        </el-tabs>

        <!-- 弹出层组件 -->
        <el-dialog
          v-if="showDialog"
          :title="isedit?'编辑子部门':'添加子部门'"
          :visible.sync="showDialog"
          width="50%"
          :before-close="handleClose"
          :close-on-click-modal="false"
          :close-on-press-escape="false"
        >
          <!-- 子组件的自定义标签 -->
          <deptDialog :parent-id="parentId" :origin-list="originList" :isedit="isedit" @update-depart="updatedepart" @close-dialog="closedialog" />

        </el-dialog>
      </el-card>
    </div>
  </div>
</template>

<script>
import { getDepartments, delDepartment } from '@/api/department'
import { tranListToTreeData } from '@/utils/index'
import deptDialog from './deptDialog.vue'
export default {
  name: 'Departments',
  components: {
    deptDialog
  },
  data() {
    return {
      isedit: false,
      parentId: '', // 父级的id
      showDialog: false, // 弹出层显示和隐藏
      activeName: 'first', // 被激活的 Tab 标签页
      treeData: [],
      // 定义结构显示
      defaultProps: {
        children: 'children',
        label: 'name'
      },
      originList: []

    }
  },
  created() {
    this.getDepartments()
  },
  methods: {
    // 获取组织架构
    async getDepartments() {
      const res = await getDepartments()
      console.log(res.data.depts)
      // 把公司信息中特定的几项放在一个数组中 ,传递给子组件
      this.originList = res.data.depts.map(item => (
        {
          id: item.id,
          code: item.code,
          pid: item.pid,
          name: item.name
        }
      ))
      this.treeData = tranListToTreeData(res.data.depts, '')
    },
    // 点击添加子部门按钮
    addDept(id) {
      this.parentId = id
      this.showDialog = true
      this.isedit = false
    },
    // 点击编辑子部门按钮
    editDept(id) {
      this.parentId = id
      this.showDialog = true
      this.isedit = true
    },
    // 添加部门成功后关闭弹窗,重新渲染页面
    updatedepart() {
      this.showDialog = false
      this.getDepartments()
    },
    // 关闭弹窗
    closedialog() {
      this.showDialog = false
    },
    // 删除子部门
    edlDept(id) {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async err => {
        if (err === 'confirm') {
          const res = await delDepartment(id)
          this.$message.success(res.message)
          this.getDepartments()
        }
      }).catch(err => {
        if (err === 'cancel') {
          this.$message('已经取消删除')
        }
      })
    }
  }
}
</script>

<style lang="scss" scoped>

.box-card {
  padding: 10px 30px;
}

.tab-pane {
  padding: 20px 80px;

  .company {
    margin-left: 12px;
    font-weight: bold;
    font-size: 14px;
  }

  .department-header {
    height: 50px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #ccc;
  }
  .departments-tree {
    margin: 12px 0px;
  }
}
</style>
